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Basic Data Transmission in Networks: MAC Tables and ARP Tables
By Sean Wilkins
May 12, 2015
Bombarded with jargon, no wonder networking beginners get lost. Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, explains some crucial terminology for anyone who needs to understand complex networking.
CCNP Security SISAS 300-208 Official Cert Guide: Authentication Policies
By Aaron Woland, Kevin Redmon
May 6, 2015
In this chapter from CCNP Security SISAS 300-208 Official Cert Guide, the authors discuss network authentication policies.
Collision Domains and Broadcast Domains = Apples and Oranges
By Sean Wilkins
May 5, 2015
Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, doesn't approve of blurring collision domains and broadcast domains. Though these models are often taught together, modern technology has outpaced some of the ideas, and networking specialists who are new to the field need to distinguish between current terminology and outdated concepts.
Video: Oracle Certified Associate Exam: Identifying the Valid Targets of the Enhanced for Loop
By Simon Roberts
May 4, 2015
In this excerpt from Oracle Certified Associate, Java SE 7 Programmer Exam (1Z0-803) Complete Video Course, Simon Roberts discusses what constitutes a valid target for the enhanced for loop.
Exam Profile: CompTIA Network+ N10-006
By Keith Barker
Apr 29, 2015
When you're working toward CompTIA Network+ certification, there is no such thing as being too prepared. Keith Barker, co-author of CompTIA Network+ N10-006 Cert Guide, discusses how to get ready for exam day. Which topics require the most focus? What are the test questions like? This profile provides the details you need, including suggestions on books to read and how to practice for the test.
Video: Oracle Certified Associate Exam (1Z0 803): Understanding Basic Syntax of Overloaded Methods
By Simon Roberts
Apr 29, 2015
In this excerpt from Oracle Certified Associate, Java SE 7 Programmer Exam (1Z0-803) Complete Video Course, Simon Roberts examines overloaded methods, which are methods that are defined within one class that have the same basic name.
Video: MCSA Querying Microsoft SQL Server 2012 Exam 70 461: Demo Using Try and Catch Blocks
By Marilyn White
Apr 27, 2015
In this excerpt from MCSA Querying Microsoft SQL Server 2012 (Exam 70-461) LiveLessons: Required Knowledge for SQL Server 2012 and 2014, Marilyn White demos using try and catch blocks.
Video: MCSA Querying Microsoft SQL Server 2012 Exam 70 461: Using Date and Time Functions
By Marilyn White
Apr 22, 2015
In this video from MCSA Querying Microsoft SQL Server 2012 (Exam 70-461) LiveLessons: Required Knowledge for SQL Server 2012 and 2014, Marilyn White looks at the date and time data types that are available in SQL Server 2012 and beyond.
Video: Introduction to MCSA Querying Microsoft SQL Server 2012 Exam 70-461
By Marilyn White
Apr 20, 2015
In this excerpt from MCSA Querying Microsoft SQL Server 2012 (Exam 70-461) LiveLessons: Required Knowledge for SQL Server 2012 and 2014, Marilyn White introduces her video course, which is aimed at providing you with the skills, knowledge and best practices to write and implement queries as well as help you pass the 70-461 exam, Querying Microsoft SQL Server, which is required for the MCSA certification.
Video: CCNA Data Center DCICT 640-916: Understanding Service Profiles
By Frank Dagenhardt
Apr 17, 2015
In this video excerpt from Cisco CCNA Data Center DCICT 640-916 LiveLessons: Introducing Cisco Data Center Technologies, Frank Dagenhardt discusses the purpose of a Cisco UCS Service Profile and how it reduces configuration errors and speeds deployment.
Video: LPIC-1 Exam 101 Linux Professional Institute Certification: Understanding Links and Inodes
By Sander van Vugt
Apr 16, 2015
In this excerpt from LPIC-1 (Exam 101) LiveLessons: Linux Professional Institute Certification, Sander van Vugt discusses the organization of the Linux file system, including links and inodes.
A VMware Administrator's Guide to Setting Up a DevOps Configuration Management Test Environment
By Trevor A. Roberts, Josh Atwell, Egle Sigler, Yvo van Doorn
Apr 13, 2015
Learn about the foundational tools that you will need to build your test environments. This chapter from DevOps for VMware Administrators covers environment provisioning with AutoLab and Vagrant, creating images with Packer, managing source code, and Git source code control.
Video: LPIC-1 Exam 101 Linux Professional Institute Certification: Managing Disk Quotas
By Sander van Vugt
Apr 13, 2015
In this excerpt from LPIC-1 (Exam 101) LiveLessons: Linux Professional Institute Certification, Sander van Vugt walks you through the complicated procedure of managing disk quotas.
How Do Hiring Managers View Code School Graduates?
By Thursday Bram
Apr 9, 2015
Code schools are popping up all over the country, but that doesn't mean hiring managers know what to do with applicants fresh out of a bootcamp. Business writer Thursday Bram explains what hiring managers expect from code school grads.
Video: LPIC-1 Exam 101 Linux Professional Institute Certification: Course Introduction
By Sander van Vugt
Apr 9, 2015
In this excerpt from LPIC-1 (Exam 101) LiveLessons: Linux Professional Institute Certification, Sander van Vugt introduces this course by sharing information about himself, defining the LPIC and related exams, and covering some basic exam information.
Host, Storage, Network, and Application Integration into a Secure Enterprise Architecture
By Robin Abernathy, Troy McMillan
Apr 6, 2015
This chapter from CompTIA Advanced Security Practitioner (CASP) CAS-002 Cert Guide covers secure data flows to meet changing business needs, standards, interoperability issues, technical deployment models, logical deployment diagram and corresponding physical deployment diagram of all relevant devices, secure infrastructure design, storage Integration, and enterprise application integration enablers.
CompTIA Network+ N10-006 Cert Guide: Network Components
By Keith Barker, Kevin Wallace
Mar 30, 2015
Many modern networks contain a daunting number of devices, and it is your job to understand the function of each device and how they work with one another. This chapter from CompTIA Network+ N10-006 Cert Guide covers characteristics of media types, infrastructure components, and specialized network devices.
Video: Oracle Certified Associate, Java SE 7 Programmer Exam (1Z0 803): Course Introduction
By Simon Roberts
Mar 27, 2015
In this video excerpt from Oracle Certified Associate, Java SE 7 Programmer Exam (1Z0-803) Complete Video Course, Java instructor, architect, and programmer Simon Roberts introduces the course, what he covers in the course, how the course is structured, and his teaching approach.
Virtualizing Cisco Network Devices
By Navaid Shamsee, Ahmed Afrose, Hesham Fayed, Ozden Karakok, David Klebanov
Mar 17, 2015
This chapter from CCNA Data Center DCICT 640-916 Official Cert Guide covers the virtualization capabilities of the Nexus 7000 and Nexus 5000 switches using Virtual Device Context (VDC) and Network Interface Virtualization (NIV).
Network Implementation of Protocols and Services
By Diane Barrett, Kirk Hausman, Martin Weiss
Mar 10, 2015
This chapter from CompTIA Security+ SY0-401 Exam Cram, 4th Edition discusses how to use the proper network implementation of protocols and services as a tool to protect and mitigate threats against network infrastructure based on organizational needs. It also has a section specifically dedicated to wireless security implementation based on organization requirements.

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